body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
}

.login-container {
    width: 300px;
    background-color: #fff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 5px rgba(0, 0, 0, 0.1);
}

h2 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
}

label {
    margin-bottom: 5px;
}

input[type="text"],
input[type="password"] {
    padding: 10px;
    margin-bottom: 15px;
    border: 1px solid #ccc;
    border-radius: 3px;
}

button {
    padding: 10px;
    background-color: #fbb1a2;
    color: #fff;
    border: none;
    border-radius: 3px;
    cursor: pointer;
}

button:hover {
    background-color: #f09650;
}

/* 定义要悬浮的div的样式 */
.floating-div {
    width: 400px;
    height: 50px;
    font-size: 30px;
    line-height: 50px;
    font-weight: bold;
    text-align: center;
    position: fixed;
    top: 100px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    display: none;
}